The Ramsey Case

Michael Tracey, a journalism professor at the University of Colorado, gave prosecutors hundreds of e-mails from a person now believed to be John Mark Karr. Tracey says he had been communicating with Karr for four years.  (Rick Giase / EPA)

John Mark Karr, 41, is presented to the media at an immigration office in Bangkok, Thailand.  (Paula Bronstein / Getty Images)

U.S. teacher John Mark Karr is seen in the custody of Thai police and U.S. security officials at the Thai Immigration Department in Bangkok.  (Saeed Khan AFP/Getty Images)

Residents walk out of a Bangkok apartment building where John Mark Karr was arrested by Thai police.  (Sakchai Lalit / AP)

Pictured is the Atlanta, Georgia home of John Karr’s father. Karr, a suspect in the 1996 murder of JonBenet Ramsey, was arrested August 16 in Bangkok, Thailand.  (Barry Williams / Getty Images)

District Attorney Mary Lacy talks about the arrest of suspect John Mark Karr for the murder of JonBenet Ramsey.  (Ed Andrieski / AP)

Patsy Ramsey’s sister ,Pam Paugh, in front of the Roswell, Ga. family home, prepares to appear live on Good Morning America Aug. 17.  (Ric Feld / AP)

Pam Paugh, left, and Paulette Davis, sisters of Patsy Ramsey, hug in front of the family home in Roswell, Ga., after hearing that a man was arrested in Thailand in connection with the 1996 slaying of their niece JonBenet Ramsey.  (Ric Feld / AP)

Ramsey family attorney Lin Wood addresses the media on the arrest of 42-year-old John Mark Karr in Thailand.  (W.A. Harewood / AP)

The home made infamous by the murder of 6-year-old JonBenet Ramsey.  (Jack Dempsey / AP)

JonBenet Ramsey is shown performing during a beauty pageant in this image captured from an undated family video.  (Ramsey Family / AP)

Flowers, pictures and stuffed animals adorn the gravesite of JonBenet Ramsey in 1997.  (Ric Feld / AP)

The Marietta, Georgia grave of JonBenet Ramsey.  (Barry Williams / Getty Images)